FU Qiang,WU Jian.Research on the drawing technology of thinner top-coal in longwall sublevel caving mining[J].Ground Pressure and Strata Control,2000,17(3):2-6.

 
  • [7]富强;吴健.;顶煤较薄煤层综放开采放煤工艺研究[J]
今日热词
目录 附录 查词历史